Method and apparatus for observing internal memory-mapped registers

A method and apparatus for observing the contents on internal memory-mapped registers of controllers and co-processors which have been integrated on-chip with a central processing unit ("CPU"). The CPU asserts a first signal when access to internal memory is requested and deactivates a sec...

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Bibliographische Detailangaben
Hauptverfasser: PELEG ZOHAR, OSTRER, AHARON, BIKOWSKY, ZEEV, INTRATER, GIDEON, HADAS, YAIR, BEN-ZEEV, YIGAL, LIDOR, DAVID, BIRAN, DAN
Format: Patent
Sprache:eng ; fre ; ger
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Zusammenfassung:A method and apparatus for observing the contents on internal memory-mapped registers of controllers and co-processors which have been integrated on-chip with a central processing unit ("CPU"). The CPU asserts a first signal when access to internal memory is requested and deactivates a second signal which would normally allow simultaneous access to both internal and external memory locations. In this way, the contents of internal memory may be observed in real time.